Remove unnecessary function from_slice.

1 files changed, 7 insertions, 11 deletions

diff --git a/src/rope.rs b/src/rope.rs
index 56f53d0..c5378b0 100644
--- a/src/rope.rs
+++ b/src/rope.rs
@@ -65,29 +65,25 @@ impl Rope {
         }))
     }
 
-    fn from_slice(buf: Rc<[u8]>, start: usize, end: usize) -> Rope {
-        if buf.len() > MAX_NODE_SIZE || start > buf.len() || end > buf.len() || start > end {
-            panic!("Invalid leaf!");
+    fn leaf(buf: Rc<[u8]>) -> Rope {
+        if buf.len() > MAX_NODE_SIZE {
+            panic!("buffer too long");
         }
         let mut lines = 0;
-        for &b in buf[start..end].iter() {
+        for &b in buf.iter() {
             if b == b'\n' {
                 lines += 1;
             }
         }
+        let n = buf.len();
         Rope(Node::Leaf(Leaf {
             unsafe_buf: Some(buf),
-            start: u16::try_from(start).expect("buffer too long"),
-            end: u16::try_from(end).expect("buffer too long"),
+            start: 0,
+            end: u16::try_from(n).expect("buffer too long"),
             lines,
         }))
     }
 
-    fn leaf(buf: Rc<[u8]>) -> Rope {
-        let n = buf.len();
-        Rope::from_slice(buf, 0, n)
-    }
-
     fn branch(children: Rc<[Rope]>) -> Rope {
         let mut len = 0;
         let mut lines = 0;